Cordless telephone base



FIG. 1 is a top, front and left side perspective view of a cordless telephone base showing our new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a rear elevation thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showings of FIGS. 1 and 3 through 7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of a cordless telephone base, as shown and described. 